Implement path cover with nv_path_rendering

src/gpu/gl/GrGLShaderBuilder.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gl/GrGLShaderBuilder.h"
 #include "gl/GrGLProgram.h"
 #include "gl/GrGLUniformHandle.h"
@@ skipping 912 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 
 GrGLFragmentOnlyShaderBuilder::GrGLFragmentOnlyShaderBuilder(GrGpuGL* gpu,
                                                              GrGLUniformManager& uniformManager,
                                                              const GrGLProgramDesc& desc)
     : INHERITED(gpu, uniformManager, desc)
     , fNumTexCoordSets(0) {
 
     SkASSERT(!desc.getHeader().fHasVertexCode);
     SkASSERT(gpu->glCaps().fixedFunctionSupport());
-    SkASSERT(gpu->glCaps().pathStencilingSupport());
+    SkASSERT(gpu->glCaps().pathRenderingSupport());
     SkASSERT(GrGLProgramDesc::kAttribute_ColorInput != desc.getHeader().fColorInput);
     SkASSERT(GrGLProgramDesc::kAttribute_ColorInput != desc.getHeader().fCoverageInput);
 }
 
 GrGLProgramEffects* GrGLFragmentOnlyShaderBuilder::createAndEmitEffects(
         const GrEffectStage* effectStages[],
         const EffectKey effectKeys[],
         int effectCnt,
         SkString* inOutFSColor,
         GrSLConstantVec* fsInOutColorKnownValue) {
 
     GrGLTexGenProgramEffectsBuilder texGenEffectsBuilder(this, effectCnt);
     this->INHERITED::createAndEmitEffects(&texGenEffectsBuilder,
                                           effectStages,
                                           effectKeys,
                                           effectCnt,
                                           inOutFSColor,
                                           fsInOutColorKnownValue);
     return texGenEffectsBuilder.finish();
 }